InChI=1S/C27H28O17/c28-6-11-14(30)17(33)20(36)24(43-11)13-16(32)18(34)15(31)12-9(29)5-10(42-23(12)13)7-2-1-3-8(4-7)41-27-22(38)19(35)21(37)25(44-27)26(39)40/h1-5,11,14,17,19-22,24-25,27-28,30-38H,6H2,(H,39,40)